155. Statement of wages in evidence
A statement in writing to the effect that an amount has been paid to a person during any period in respect of his or her employment, purporting to be signed by or on behalf of his or her employer, shall be evidence of the facts therein stated in any proceedings taken before a court—
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(a) for enforcing payment of a sum adjudged to be paid by conviction or order of the court by the person to whom the amount is stated to have been paid; or
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(b) on any application made by or against that person for the making of a maintenance order or an order enforceable as a maintenance order, or for the variation, revocation, discharge or revival of such an order.